Scientists warn that as humans move more activities off-Earth, more debris will fall to Earth, polluting as it plummets.
Forgetting releaseLock() permanently breaks the stream. The locked property tells you that a stream is locked, but not why, by whom, or whether the lock is even still usable. Piping internally acquires locks, making streams unusable during pipe operations in ways that aren't obvious.
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Жители Санкт-Петербурга устроили «крысогон»17:52